Publications de l'Institut Mathématique Published by:
Mathematical Institute of the Serbian Academy of Sciences and Arts
Editors-in-Chief: Gradimir V. Milovanović and Stevan Pilipović ISSN: 0350-1302
Latest Issue - (N.S.) 107 (121)
 
Generalizations of certain well known inequalities for polynomials 117 - 123
V. K. Jain  
AbstractKeywords: generalization; Bernstein's theorem; Erdös--Lax theoremMSC: 30C10 30A10DOI: https://doi.org/10.2298/PIM2021117J
Strong convergence of modified Ishikawa iterative-type algorithm in CAT(0) Spaces 125 - 136
Godwin C. Ugwunnadi and Oluwatosin Temitope Mewomo  
AbstractKeywords: total asymptotically demicontractive mapping; fixed point; $\Delta$ convergence; strong convergence; CAT(0) spaceMSC: 47H09; 47J25DOI: https://doi.org/10.2298/PIM2021125U
Approximation between modified Baskakov and Srivastava--Gupta operators 137 - 144
Man Singh Beniwal and V. K. Singh  
AbstractKeywords: difference of operators; Szász operators; Baskakov operators; Bernstein polynomials; weighted modulus of continuityMSC: 41A25; 41A30DOI: https://doi.org/10.2298/PIM2021137B
Existence and uniqueness results for $\psi$-fractional integro-differential equations with boundary conditions 145 - 155
Devaraj Vivek, E. M. Elsayed and Kuppusamy Kanagarajan  
AbstractKeywords: $\psi$-fractional derivative; boundary value problem; existence; fixed point theorem; Ulam-Hyers stabilityMSC: 26A33; 34K40; 34K14DOI: https://doi.org/10.2298/PIM2021145V
Aproximation by modified Păltǎnea operators 157 - 164
Vijay Gupta and P. N. Agrawal  
AbstractKeywords: Szász--Mirakjan operators; Baskakov operators; Phillips operators; moment generating function; modulus of continuity; Ditzian--Totik modulus of smoothnessMSC: 41A25; 41A30DOI: https://doi.org/10.2298/PIM2021157G
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